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From: Lee Revell <rlrevell@joe-job.com>
To: Andi Kleen <ak@suse.de>
Cc: "Brown, Len" <len.brown@intel.com>,
	Nick Piggin <nickpiggin@yahoo.com.au>,
	Ingo Molnar <mingo@elte.hu>, Steven Rostedt <rostedt@goodmis.org>,
	Andrew Morton <akpm@osdl.org>,
	acpi-devel@lists.sourceforge.net, nando@ccrma.Stanford.EDU,
	linux-kernel@vger.kernel.org, paulmck@us.ibm.com, kr@cybsft.com,
	tglx@linutronix.de, pluto@agmk.net, john.cooper@timesys.com,
	bene@linutronix.de, dwalker@mvista.com,
	trini@kernel.crashing.org, george@mvista.com
Subject: Re: [RFC][PATCH] Runtime switching of the idle function [take 2]
Date: Tue, 29 Nov 2005 15:35:39 -0500	[thread overview]
Message-ID: <1133296540.4627.7.camel@mindpipe> (raw)
In-Reply-To: <20051129195336.GP19515@wotan.suse.de>

On Tue, 2005-11-29 at 20:53 +0100, Andi Kleen wrote:
> We're mostly addressing it - there are problems left, but
> overall it's looking good. The remaining problem is 
> an education issue of users to not use RDTSC directly, 
> but use gettimeofday/clock_gettime 

No the issue is to make gettimeofday fast enough that the people who
currently have to use the TSC can use it.  Right now it's 1500-3000 nsec
or so, Vojtech mentioned that he has a patch that could reduce that to
150-300 nsec.

Lee


  reply	other threads:[~2005-11-29 20:35 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-29 19:37 [RFC][PATCH] Runtime switching of the idle function [take 2] Brown, Len
2005-11-29 19:53 ` Andi Kleen
2005-11-29 20:35   ` Lee Revell [this message]
2005-11-29 20:51     ` Andi Kleen
2005-11-29 23:55       ` Lee Revell
2005-11-30  1:06         ` Andi Kleen
2005-11-30  1:22           ` Lee Revell
2005-11-30  1:58             ` Andi Kleen
2005-11-30  2:19               ` john stultz
  -- strict thread matches above, loose matches on Subject: below --
2005-11-15  9:08 2.6.14-rt13 Ingo Molnar
2005-11-18 18:02 ` 2.6.14-rt13 Fernando Lopez-Lezcano
2005-11-18 21:54   ` 2.6.14-rt13 Lee Revell
2005-11-18 22:05     ` 2.6.14-rt13 Fernando Lopez-Lezcano
2005-11-18 22:07       ` 2.6.14-rt13 Ingo Molnar
2005-11-18 22:41         ` 2.6.14-rt13 Fernando Lopez-Lezcano
2005-11-19  2:39           ` 2.6.14-rt13 Steven Rostedt
2005-11-24 15:07             ` 2.6.14-rt13 Ingo Molnar
2005-11-25 20:56               ` [RFC][PATCH] Runtime switching to idle_poll (was: Re: 2.6.14-rt13) Steven Rostedt
2005-11-26 13:05                 ` Ingo Molnar
2005-11-29  2:48                   ` [RFC][PATCH] Runtime switching of the idle function [take 2] Steven Rostedt
2005-11-29  3:02                     ` Andrew Morton
2005-11-29  3:42                       ` Steven Rostedt
2005-11-29  4:01                         ` Andrew Morton
2005-11-29  6:44                           ` Ingo Molnar
2005-11-29  6:55                             ` Nick Piggin
2005-11-29 18:05                             ` Andi Kleen
2005-11-29 14:19                               ` Steven Rostedt
2005-11-29 14:50                                 ` Andi Kleen
2005-11-29 15:42                                   ` Steven Rostedt
2005-12-02  1:27                               ` Max Krasnyansky
2005-12-02  1:45                                 ` Andi Kleen
2005-12-03  2:17                                   ` Max Krasnyansky
2005-11-29  4:22                         ` john stultz
2005-11-29 14:22                           ` Steven Rostedt
2005-11-29 13:08                     ` Pavel Machek
2005-12-18 15:26                       ` Steven Rostedt

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